<?php

namespace App\Service;
use App\Common\Tools;
use App\Exception\BusinessException;
use App\Repository\UserRepo;

/**
 * 聊天相关业务类
 *
 * @author WangBin
 */
class ChatService extends Singleton
{
    /**
     * 获取聊天记录
     *
     * @param $params
     */
    public function getList()
    {
        return 3;
    }
}